Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing a first embodiment of the new design; and,

FIG. 2 is a second embodiment thereof.

The evenly spaced broken lines at the outer perimeter of the drawings depict a display screen or portion thereof and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 